Figure Q2 shows a system composed of a rod of inertia I, free to rotate about the hinge at point O and supported by a spring of stiffness 3k. The hinge has torsional stiffness kr. A mass, m, is attached to the free end of the rod by a spring of stiffness 2k and restrained by another spring with stiffness k, as illustrated in Figure Q2. Assuming small angular displacements 0, show that the equations of motion for this system are 1,0 + (11ka² + kr)0 - 4kax = 0 mx + 3kx - 4ka0 = 0 ii) Given I, = 8 kgm², k = 200Nm/rad, k = 400 Nm-¹, a = 0.5 m, m = 5 kg, assuming the motion is sinusoidal in both degrees of freedom, calculate the natural frequencies of the system. i) a www 3k Figure Q2 0 Ţ MY m ww 2k
Figure Q2 shows a system composed of a rod of inertia I, free to rotate about the hinge at point O and supported by a spring of stiffness 3k. The hinge has torsional stiffness kr. A mass, m, is attached to the free end of the rod by a spring of stiffness 2k and restrained by another spring with stiffness k, as illustrated in Figure Q2. Assuming small angular displacements 0, show that the equations of motion for this system are 1,0 + (11ka² + kr)0 - 4kax = 0 mx + 3kx - 4ka0 = 0 ii) Given I, = 8 kgm², k = 200Nm/rad, k = 400 Nm-¹, a = 0.5 m, m = 5 kg, assuming the motion is sinusoidal in both degrees of freedom, calculate the natural frequencies of the system. i) a www 3k Figure Q2 0 Ţ MY m ww 2k
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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